These were drawn to be used on grammar worksheets. You can use some of them interchangeably for Can/ May/ Will/ Could/ Would. They're basically visual ideas for semi-polite and polite requests, but they can be used for different types of grammar points.
Examples include: "May I borrow a pen?" and "Can you tell me the wifi password?"
Google drive folder link: https://drive.google.com/drive/folders/1SWt-lbZ2Nxni8IwDGkTh-RHiaYdlFzvh?usp=sharing
Files: